Compact alarm clock: size 11 x 16 x 5.5 cm. This travel alarm clock is so small that you can easily hold it in your hand. The square clock does not take up space. You just need to leave some space in your backpack to carry it.Special design: This analog alarm clock uses comfortable and durable materials. Metal rings and brackets make the alarm clock look more advanced.Non-ticking and Silent: High-quality quartz movement ensures no ticking noise as well as accurate timekeeping . Create a peaceful environment for sleeping.Lighting Function: Simply press the top button of the night light to easily read the time in the dark. Luminous hands stay visible for a while after lights out at night for nighttime viewing. rear, 1 AA battery required (not included). Note: Please use carbon batteries.